Principle of Superposition of Waves and Reflection of Waves NEET Questions

Physics - Oscillations and Waves

Principle of Superposition of Waves and Reflection of Waves MCQ Questions


1.
The principle of superposition of waves states that when two or more waves meet, the resultant displacement is:
A.
The average of the individual displacements
B.
The product of the individual displacements
C.
The difference of the individual displacements
D.
The sum of the individual displacements
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ANSWER :
D. The sum of the individual displacements
2.
When two waves of equal amplitude and frequency travel in opposite directions, they produce:
A.
A transverse wave
B.
A stationary wave
C.
A longitudinal wave
D.
No wave
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ANSWER :
B. A stationary wave
3.
In the reflection of a wave at a rigid boundary, the phase change is:
A.
2Ï€ radians
B.
Ï€/2 radians
C.
Ï€ radians
D.
No phase change
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ANSWER :
C. π radians
4.
When a wave is reflected from a free end, the reflected wave is:
A.
In phase with the incident wave
B.
Out of phase by π
C.
Out of phase by π/2
D.
Completely absorbed
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ANSWER :
A. In phase with the incident wave
5.
The formation of beats is an example of:
A.
Reflection of waves
B.
Superposition of two waves with slightly different frequencies
C.
Diffraction of waves
D.
Polarization of waves
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ANSWER :
B. Superposition of two waves with slightly different frequencies
6.
When two waves interfere constructively, the amplitude of the resultant wave is:
A.
The product of the amplitudes of individual waves
B.
The difference of the amplitudes of individual waves
C.
The sum of the amplitudes of individual waves
D.
Zero
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ANSWER :
C. The sum of the amplitudes of individual waves